Check out some of the latest MakeUseOf discoveries. All listed websites are FREE (or come with a decent free account option). No trials or buy-to-use craplets. For more cool websites and web app reviews subscribe to MakeUseOf Directory.

mSpot – is a cloud-based service that lets you access your music files from anywhere. Just install the mSpot desktop client on the computer that you have your music on; after that you can access it on any computer using the easy-to-use web player and sync your files. mSpot also lets you play music from any smart phone without the annoying network discrepancies. Read more: mSpot: Cloud Based Music Storage & Streaming.

PDFCrowd – is a very simple online tool that lets you create a PDF from a webpage or uploaded HTML file. Through this application, users can have access to the webpage they want to visit even if they are offline. Moreover, this web app also allows editing of HTML documents which are then converted to a PDF file. Read more: PdfCrowd: Easily Create PDF From A Webpage.

[NO LONGER WORKS] Bettween – Twitter is great in terms of functionality and features but it does lack a little bit when it comes to organization. For example, Twitter doesn’t have a feature when you can track a conversation between two users. Gladly, Bettween lets you do that without any hassle.

Rebtel – Making international phone calls through your cell phone can be quite costly. If you want to call a friend or family member abroad, you have to keep the call’s duration in mind because of the hefty call rates. But Rebtel does away with the call rates worries and brings you an unbelievably remarkable solution. Read more: Rebtel: Make Android To Android International Calls For Free.

Lamb Typograph – Looking for a tool to test typographic scale and rhythm? Such things are not in abundance on the web so I thought I would share one I know – Lamb Typograph. Lamb Typograph is a free web service that helps you check typographic scale and rhythm. The webpage is both an essay and a testing tool. Read more: Lamb Typograph: Typographic Scale & Rhythm Test Online.

These are just half of the websites that we discovered in the last couple of days. If you want us to send you daily round-ups of all cool websites we come across, leave your email here. Or follow us via RSS feed.